/* ========================================
   Metzli Dev — Main Stylesheet
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-bg: #0a0a0f;
    --color-bg-alt: #111118;
    --color-surface: #16161f;
    --color-surface-hover: #1e1e2a;
    --color-border: #2a2a3a;

    --color-text: #e8e8f0;
    --color-text-muted: #8888a0;
    --color-text-subtle: #5a5a70;

    --color-primary: #d4a853;
    --color-primary-dim: #b8922e;
    --color-primary-glow: rgba(212, 168, 83, 0.15);

    --color-accent-education: #6ee7b7;
    --color-accent-music: #c084fc;
    --color-accent-art: #fb923c;
    --color-accent-productivity: #38bdf8;
    --color-accent-more: #f472b6;

    --color-folkloric-red: #c0392b;
    --color-folkloric-teal: #1abc9c;
    --color-folkloric-gold: #d4a853;
    --color-folkloric-terracotta: #cc6633;
    --color-folkloric-jade: #00897b;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 72px;
    width: auto;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

/* Shooting stars */
.shooting-stars {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shooting-star {
    position: absolute;
    width: 3px;
    height: 3px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    animation: shoot var(--shoot-duration, 1.5s) ease-out infinite;
    animation-delay: var(--shoot-delay, 0s);
}

.shooting-star::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 80px;
    height: 1.5px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.6), transparent);
    transform: translateX(100%);
    border-radius: 50%;
}

@keyframes shoot {
    0% {
        opacity: 1;
        transform: translate(0, 0) rotate(-35deg);
    }
    70% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translate(-300px, 200px) rotate(-35deg);
    }
}

.stars {
    position: absolute;
    inset: 0;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle var(--duration) ease-in-out infinite;
    opacity: 0;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.1; }
    50% { opacity: var(--max-opacity, 0.8); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 120px 24px 80px;
}

.hero-banner {
    max-width: 750px;
    width: 100%;
    height: auto;
    margin: 0 auto 32px;
    display: block;
    border-radius: 12px;
    filter: drop-shadow(0 0 40px rgba(212, 168, 83, 0.2));
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: #e6be6a;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary-dim);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.hero-platforms {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.platform-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--color-text-subtle);
    border-bottom: 2px solid var(--color-text-subtle);
    transform: rotate(45deg);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.5; }
    50% { transform: rotate(45deg) translateY(8px); opacity: 1; }
}

/* --- Sections --- */
.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header.left-aligned {
    text-align: left;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    padding: 6px 16px;
    border: 1px solid var(--color-primary-glow);
    border-radius: var(--radius-xl);
    background: var(--color-primary-glow);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.15;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-header.left-aligned .section-description {
    margin: 0;
}

/* --- About --- */
.about {
    background: var(--color-bg-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
}

.about-card:hover {
    border-color: var(--color-primary-dim);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.about-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--color-primary-glow);
    color: var(--color-primary);
    margin-bottom: 20px;
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Apps --- */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
}

.app-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    overflow: hidden;
}

/* Featured app cards (real apps with images) */
.app-card.featured {
    padding-top: 0;
}

.app-card-header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px 20px 20px;
}

.app-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: var(--radius-md);
    transition: transform var(--transition);
    background: rgba(255, 255, 255, 0.9);
    padding: 8px;
}

.app-card:hover .app-logo {
    transform: scale(1.08);
}

.app-tagline {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 12px !important;
    font-style: italic;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.feature {
    padding: 5px 12px;
    font-size: 0.75rem;
    border-radius: var(--radius-xl);
    background: var(--color-surface-hover);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.app-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--glow-color, transparent) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.app-card:hover .app-card-glow {
    opacity: 0.05;
}

.app-card:hover {
    border-color: var(--color-primary-dim);
    transform: translateY(-4px);
}

.app-card[data-category="education"] { --glow-color: var(--color-accent-education); }
.app-card[data-category="music"] { --glow-color: var(--color-accent-music); }
.app-card[data-category="art"] { --glow-color: var(--color-accent-art); }
.app-card[data-category="productivity"] { --glow-color: var(--color-accent-productivity); }
.app-card[data-category="more"] { --glow-color: var(--color-accent-more); }

.app-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.app-icon.education { background: rgba(110, 231, 183, 0.1); color: var(--color-accent-education); }
.app-icon.music { background: rgba(192, 132, 252, 0.1); color: var(--color-accent-music); }
.app-icon.art { background: rgba(251, 146, 60, 0.1); color: var(--color-accent-art); }
.app-icon.productivity { background: rgba(56, 189, 248, 0.1); color: var(--color-accent-productivity); }
.app-icon.more { background: rgba(244, 114, 182, 0.1); color: var(--color-accent-more); }

.app-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-text-subtle);
    margin-bottom: 8px;
    display: block;
}

.app-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.app-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.app-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    font-size: 0.75rem;
    border-radius: var(--radius-xl);
    background: rgba(168, 180, 255, 0.08);
    color: var(--color-text-subtle);
    border: 1px solid var(--color-border);
}

.coming-soon {
    border-style: dashed;
}

/* --- App Links --- */
.app-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.app-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition);
}

a.app-link {
    background: rgba(212, 168, 83, 0.08);
    border-color: var(--color-folkloric-gold);
    color: var(--color-folkloric-gold);
}

a.app-link:hover {
    background: rgba(212, 168, 83, 0.18);
    transform: translateY(-1px);
}

.coming-soon-label {
    opacity: 0.5;
    font-style: italic;
}

/* --- Vision --- */
.vision {
    background: var(--color-bg-alt);
}

.vision-content {
    max-width: 800px;
}

.vision-text {
    margin-bottom: 48px;
}

.vision-text p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.value-item:hover {
    border-color: var(--color-primary-dim);
}

.value-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.value-item h4 {
    font-family: var(--font-display);
    font-weight: 600;
    margin-bottom: 4px;
}

.value-item p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* --- Footer --- */
.footer {
    padding: 80px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    height: 90px;
    width: auto;
    margin-bottom: 12px;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.footer-socials {
    display: flex;
    gap: 20px;
}

.footer-socials a {
    color: var(--color-text-muted);
    transition: color var(--transition), transform var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
}

.footer-socials a:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-subtle);
    font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .apps-grid {
        grid-template-columns: 1fr;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }



    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }

    .section {
        padding: 80px 0;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* --- Animations (scroll reveal) --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Language Toggle --- */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    margin-left: 8px;
}

.lang-toggle:hover {
    border-color: var(--color-folkloric-gold);
    color: var(--color-folkloric-gold);
    background: rgba(212, 168, 83, 0.08);
}

.lang-flag {
    font-size: 1.1rem;
    line-height: 1;
}

.lang-label {
    letter-spacing: 1px;
}

/* --- Aztec / Folkloric Decorative Elements --- */

/* Aztec step-fret border pattern (grecas) */
.aztec-border {
    height: 8px;
    background:
        repeating-linear-gradient(
            90deg,
            var(--color-folkloric-gold) 0px,
            var(--color-folkloric-gold) 8px,
            transparent 8px,
            transparent 12px,
            var(--color-folkloric-terracotta) 12px,
            var(--color-folkloric-terracotta) 20px,
            transparent 20px,
            transparent 24px,
            var(--color-folkloric-teal) 24px,
            var(--color-folkloric-teal) 32px,
            transparent 32px,
            transparent 36px,
            var(--color-folkloric-red) 36px,
            var(--color-folkloric-red) 44px,
            transparent 44px,
            transparent 48px
        );
    opacity: 0.6;
}

/* Section divider with Aztec pattern */
.section::before {
    content: '◆ ◇ ◆ ◇ ◆';
    display: block;
    text-align: center;
    color: var(--color-folkloric-gold);
    font-size: 0.7rem;
    letter-spacing: 8px;
    opacity: 0.4;
    margin-bottom: 40px;
    padding-top: 20px;
}

/* Folkloric card top border accent */
.about-card {
    border-top: 3px solid transparent;
    border-image: linear-gradient(90deg, var(--color-folkloric-terracotta), var(--color-folkloric-gold), var(--color-folkloric-teal)) 1;
    border-image-slice: 1;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.about-card:hover {
    border-image: linear-gradient(90deg, var(--color-folkloric-red), var(--color-folkloric-gold), var(--color-folkloric-jade)) 1;
}

/* App card folkloric hover accent */
.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        var(--color-folkloric-terracotta),
        var(--color-folkloric-gold),
        var(--color-folkloric-teal),
        var(--color-folkloric-gold),
        var(--color-folkloric-terracotta)
    );
    opacity: 0;
    transition: opacity var(--transition);
}

.app-card:hover::before {
    opacity: 1;
}

/* Value items get a subtle left border in gold */
.value-item {
    border-left: 3px solid var(--color-folkloric-gold);
}

.value-item:nth-child(2) {
    border-left-color: var(--color-folkloric-terracotta);
}

.value-item:nth-child(3) {
    border-left-color: var(--color-folkloric-teal);
}

.value-item:nth-child(4) {
    border-left-color: var(--color-folkloric-red);
}

/* Hero gradient with warm folkloric tones */
.hero-title {
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-folkloric-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Footer top border */
.footer {
    border-top: none;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: repeating-linear-gradient(
        90deg,
        var(--color-folkloric-gold) 0px,
        var(--color-folkloric-gold) 16px,
        var(--color-folkloric-terracotta) 16px,
        var(--color-folkloric-terracotta) 32px,
        var(--color-folkloric-teal) 32px,
        var(--color-folkloric-teal) 48px,
        var(--color-folkloric-red) 48px,
        var(--color-folkloric-red) 64px
    );
    opacity: 0.5;
}



/* Section tag with folkoric style */
.section-tag {
    border: 1px solid rgba(212, 168, 83, 0.3);
    background: rgba(212, 168, 83, 0.08);
}

/* Responsive lang toggle */
@media (max-width: 768px) {
    .lang-toggle {
        position: absolute;
        right: 60px;
        top: 50%;
        transform: translateY(-50%);
    }
}